/ Ruby
/
method

acos

ruby latest stable - Class: Math

Method deprecated or moved

This method is deprecated or moved on the latest stable version. The last existing version (v1_8_7_330) is shown here.

acos(z)
public

No documentation available.

# File lib/complex.rb, line 562
  def acos(z)
    if Complex.generic?(z) and z >= -1 and z <= 1
      acos!(z)
    else
      -1.0.im * log( z + 1.0.im * sqrt(1.0-z*z) )
    end
  end